AaS! 219: What's the Best Way to Defend Our P...

What did the universe do to make so many defects? What happens when they get trapped? And could they be hiding right in front of our noses? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.Ask ...  Show more

What makes the interstellar comet 3I/Atlas so weird? Why are we finding so many interstellar visitors recently? How are they made, and where do they come from? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All epis ...  Show more

What’s the deal with the James Webb Space Telescope? On this episode, Neil deGrasse Tyson and comic co-host Matt Kirshen learn about the JWST and what it will help us discover with NASA astronomer Natalie Batalha and filmmaker Nathaniel Kahn.

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Sign up for the Great Courses Plus today and enjoy the first month for free: https://bit.ly/podcast-great-courses-plus We know the history of this planet and asteroids isn't good...just ask the dinosaurs. So, what if we were faced with the same situation now? How much time wou ...  Show more

It's a beautiful night—the sky is clear, the stars are twinkling. You see a shooting star! Or is it a comet! Maybe a meteor? Whatever it is, it’s gone in an instant. But what if that whirring bit of space were headed... straight towards the Earth, not past it? Yeah, not so cute. ...  Show more